28342280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 67359600

約数和(自身を除く): 39017320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 106, 116, 145, 212, 232, 265, 290, 424, 461, 530, 580, 922, 1060, 1160, 1537, 1844, 2120, 2305, 3074, 3688, 4610, 6148, 7685, 9220, 12296, 13369, 15370, 18440, 24433, 26738, 30740, 48866, 53476, 61480, 66845, 97732, 106952, 122165, 133690, 195464, 244330, 267380, 488660, 534760, 708557, 977320, 1417114, 2834228, 3542785, 5668456, 7085570, 14171140, 28342280]

約数ペア:

[(1, 28342280), (2, 14171140), (4, 7085570), (5, 5668456), (8, 3542785), (10, 2834228), (20, 1417114), (29, 977320), (40, 708557), (53, 534760), (58, 488660), (106, 267380), (116, 244330), (145, 195464), (212, 133690), (232, 122165), (265, 106952), (290, 97732), (424, 66845), (461, 61480), (530, 53476), (580, 48866), (922, 30740), (1060, 26738), (1160, 24433), (1537, 18440), (1844, 15370), (2120, 13369), (2305, 12296), (3074, 9220), (3688, 7685), (4610, 6148)]